LONDON : Formula One chief Bernie Ecclestone has revealed the under-threat Bahrain Grand Prix could be moved to a later date in the calendar if pro-democracy demonstrations lead to it being postponed. The world championship season's curtain-raiser in Manama on March 13 has been placed in doubt after days of unrest in the island kingdom where the army has clashed with anti-government demonstrators. The unrest in the small Gulf state is part of a wave of protests that have rippled across North Africa and the Middle East since the revolt that ousted Tunisian president Zine El Abidine Ben Ali in January. Ecclestone will leave a decision on whether it is safe enough for the race to go ahead to Crown Prince Salman ibn Hamad ibn Isa Al Khalifa. Asked when a decision on the race's future would be made, Ecclestone told BBC 5 Live's Sportsweek programme: "Probably Tuesday. "I haven'...